g The lac operon - TRUE or FALSE Before the induction of the lac operon, lactose transporters are already present in the cell membrane. TRUE Lactose initially enters the cell using a transport protein.

Which statement about dna replication is true? a. eukaryotes only have one circular chromosome that unwinds at multiple locations. b. eukaryotes can only replicate one segment of a chromosome at a time. c. prokaryotes can only replicate their single circular chromosome in the nucleus. d. prokaryotes only have one origin of replication to initiate replication.

Glycogen is an energy-storage molecule in humans. a hormone that is called insulin controls the storage of glycogen in the liver. insulin is made up of amino acids.

Resperation is a way to release carbon back into the atmosphere